Merge pull request #15089 from TwinProduction

* pr/15089:
  Polish "Rename logging.file to logging.file.name"
  Rename logging.file to logging.file.name

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/logging/LogFileWebEndpointAutoConfiguration.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2017 the original author or authors.
+ * Copyright 2012-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -23,6 +23,7 @@ import org.springframework.boot.autoconfigure.condition.ConditionOutcome;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
 import org.springframework.boot.autoconfigure.condition.SpringBootCondition;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
+import org.springframework.boot.logging.LogFile;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.ConditionContext;
 import org.springframework.context.annotation.Conditional;
@@ -35,6 +36,7 @@ import org.springframework.util.StringUtils;
  * {@link EnableAutoConfiguration Auto-configuration} for {@link LogFileWebEndpoint}.
  *
  * @author Andy Wilkinson
+ * @author Christian Carriere-Tisseur
  * @since 2.0.0
  */
 @Configuration
@@ -56,20 +58,23 @@ public class LogFileWebEndpointAutoConfiguration {
 
 	private static class LogFileCondition extends SpringBootCondition {
 
+		@SuppressWarnings("deprecation")
 		@Override
 		public ConditionOutcome getMatchOutcome(ConditionContext context,
 				AnnotatedTypeMetadata metadata) {
 			Environment environment = context.getEnvironment();
-			String config = environment.resolvePlaceholders("${logging.file:}");
+			String config = getLogFileConfig(environment, LogFile.FILE_NAME_PROPERTY,
+					LogFile.FILE_PROPERTY);
 			ConditionMessage.Builder message = ConditionMessage.forCondition("Log File");
 			if (StringUtils.hasText(config)) {
 				return ConditionOutcome
-						.match(message.found("logging.file").items(config));
+						.match(message.found(LogFile.FILE_NAME_PROPERTY).items(config));
 			}
-			config = environment.resolvePlaceholders("${logging.path:}");
+			config = getLogFileConfig(environment, LogFile.FILE_PATH_PROPERTY,
+					LogFile.PATH_PROPERTY);
 			if (StringUtils.hasText(config)) {
 				return ConditionOutcome
-						.match(message.found("logging.path").items(config));
+						.match(message.found(LogFile.FILE_PATH_PROPERTY).items(config));
 			}
 			config = environment.getProperty("management.endpoint.logfile.external-file");
 			if (StringUtils.hasText(config)) {
@@ -80,6 +85,15 @@ public class LogFileWebEndpointAutoConfiguration {
 			return ConditionOutcome.noMatch(message.didNotFind("logging file").atAll());
 		}
 
+		private String getLogFileConfig(Environment environment, String configName,
+				String deprecatedConfigName) {
+			String config = environment.resolvePlaceholders("${" + configName + ":}");
+			if (StringUtils.hasText(config)) {
+				return config;
+			}
+			return environment.resolvePlaceholders("${" + deprecatedConfigName + ":}");
+		}
+
 	}
 
 }

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/endpoint/web/documentation/LogFileWebEndpointDocumentationTests.java

@@ -34,7 +34,7 @@ import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.
  *
  * @author Andy Wilkinson
  */
-@TestPropertySource(properties = "logging.file=src/test/resources/org/springframework/boot/actuate/autoconfigure/endpoint/web/documentation/sample.log")
+@TestPropertySource(properties = "logging.file.name=src/test/resources/org/springframework/boot/actuate/autoconfigure/endpoint/web/documentation/sample.log")
 public class LogFileWebEndpointDocumentationTests
 		extends MockMvcEndpointDocumentationTests {
 

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/logging/LogFileWebEndpointAutoConfigurationTests.java

@@ -38,6 +38,7 @@ import static org.assertj.core.api.Assertions.assertThat;
  * @author Andy Wilkinson
  * @author Stephane Nicoll
  * @author Phillip Webb
+ * @author Christian Carriere-Tisseur
  */
 public class LogFileWebEndpointAutoConfigurationTests {
 
@@ -49,12 +50,26 @@ public class LogFileWebEndpointAutoConfigurationTests {
 
 	@Test
 	public void logFileWebEndpointIsAutoConfiguredWhenLoggingFileIsSet() {
+		this.contextRunner.withPropertyValues("logging.file.name:test.log").run(
+				(context) -> assertThat(context).hasSingleBean(LogFileWebEndpoint.class));
+	}
+
+	@Test
+	@Deprecated
+	public void logFileWebEndpointIsAutoConfiguredWhenLoggingFileIsSetWithDeprecatedProperty() {
 		this.contextRunner.withPropertyValues("logging.file:test.log").run(
 				(context) -> assertThat(context).hasSingleBean(LogFileWebEndpoint.class));
 	}
 
 	@Test
 	public void logFileWebEndpointIsAutoConfiguredWhenLoggingPathIsSet() {
+		this.contextRunner.withPropertyValues("logging.file.path:test/logs").run(
+				(context) -> assertThat(context).hasSingleBean(LogFileWebEndpoint.class));
+	}
+
+	@Test
+	@Deprecated
+	public void logFileWebEndpointIsAutoConfiguredWhenLoggingPathIsSetWithDeprecatedProperty() {
 		this.contextRunner.withPropertyValues("logging.path:test/logs").run(
 				(context) -> assertThat(context).hasSingleBean(LogFileWebEndpoint.class));
 	}
@@ -71,7 +86,7 @@ public class LogFileWebEndpointAutoConfigurationTests {
 	@Test
 	public void logFileWebEndpointCanBeDisabled() {
 		this.contextRunner
-				.withPropertyValues("logging.file:test.log",
+				.withPropertyValues("logging.file.name:test.log",
 						"management.endpoint.logfile.enabled:false")
 				.run((context) -> assertThat(context)
 						.hasSingleBean(LogFileWebEndpoint.class));

spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/logging/LogFileWebEndpoint.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2017 the original author or authors.
+ * Copyright 2012-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -70,7 +70,7 @@ public class LogFileWebEndpoint {
 		}
 		LogFile logFile = LogFile.get(this.environment);
 		if (logFile == null) {
-			logger.debug("Missing 'logging.file' or 'logging.path' properties");
+			logger.debug("Missing 'logging.file.name' or 'logging.file.path' properties");
 			return null;
 		}
 		return new FileSystemResource(logFile.toString());

spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/logging/LogFileWebEndpointTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2017 the original author or authors.
+ * Copyright 2012-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -63,12 +63,22 @@ public class LogFileWebEndpointTests {
 
 	@Test
 	public void nullResponseWithMissingLogFile() {
-		this.environment.setProperty("logging.file", "no_test.log");
+		this.environment.setProperty("logging.file.name", "no_test.log");
 		assertThat(this.endpoint.logFile()).isNull();
 	}
 
 	@Test
 	public void resourceResponseWithLogFile() throws Exception {
+		this.environment.setProperty("logging.file.name", this.logFile.getAbsolutePath());
+		Resource resource = this.endpoint.logFile();
+		assertThat(resource).isNotNull();
+		assertThat(StreamUtils.copyToString(resource.getInputStream(),
+				StandardCharsets.UTF_8)).isEqualTo("--TEST--");
+	}
+
+	@Test
+	@Deprecated
+	public void resourceResponseWithLogFileAndDeprecatedProperty() throws Exception {
 		this.environment.setProperty("logging.file", this.logFile.getAbsolutePath());
 		Resource resource = this.endpoint.logFile();
 		assertThat(resource).isNotNull();

spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/logging/LogFileWebEndpointWebIntegrationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2017 the original author or authors.
+ * Copyright 2012-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -65,7 +65,7 @@ public class LogFileWebEndpointWebIntegrationTests {
 
 	@Test
 	public void getRequestProducesResponseWithLogFile() {
-		TestPropertyValues.of("logging.file:" + this.logFile.getAbsolutePath())
+		TestPropertyValues.of("logging.file.name:" + this.logFile.getAbsolutePath())
 				.applyTo(context);
 		client.get().uri("/actuator/logfile").exchange().expectStatus().isOk()
 				.expectBody(String.class).isEqualTo("--TEST--");

spring-boot-project/spring-boot-docs/src/main/asciidoc/appendix-application-properties.adoc

@@ -37,12 +37,12 @@ content into your application. Rather, pick only the properties that you need.
 	# LOGGING
 	logging.config= # Location of the logging configuration file. For instance, `classpath:logback.xml` for Logback.
 	logging.exception-conversion-word=%wEx # Conversion word used when logging exceptions.
-	logging.file= # Log file name (for instance, `myapp.log`). Names can be an exact location or relative to the current directory.
 	logging.file.max-history=0 # Maximum of archive log files to keep. Only supported with the default logback setup.
 	logging.file.max-size=10MB # Maximum log file size. Only supported with the default logback setup.
+	logging.file.name= # Log file name (for instance, `myapp.log`). Names can be an exact location or relative to the current directory.
+	logging.file.path= # Location of the log file. For instance, `/var/log`.
 	logging.group.*= # Log groups to quickly change multiple loggers at the same time. For instance, `logging.level.db=org.hibernate,org.springframework.jdbc`.
 	logging.level.*= # Log levels severity mapping. For instance, `logging.level.org.springframework=DEBUG`.
-	logging.path= # Location of the log file. For instance, `/var/log`.
 	logging.pattern.console= # Appender pattern for output to the console. Supported only with the default Logback setup.
 	logging.pattern.dateformat=yyyy-MM-dd HH:mm:ss.SSS # Appender pattern for log date format. Supported only with the default Logback setup.
 	logging.pattern.file= # Appender pattern for output to a file. Supported only with the default Logback setup.

spring-boot-project/spring-boot-docs/src/main/asciidoc/howto.adoc

@@ -1518,7 +1518,7 @@ in the following example:
 ----
 
 You can also set the location of a file to which to write the log (in addition to the
-console) by using "logging.file".
+console) by using "logging.file.name".
 
 To configure the more fine-grained settings of a logging system, you need to use the native
 configuration format supported by the `LoggingSystem` in question. By default, Spring Boot
@@ -1548,8 +1548,8 @@ If you look at `base.xml` in the spring-boot jar, you can see that it uses
 some useful System properties that the `LoggingSystem` takes care of creating for you:
 
 * `${PID}`: The current process ID.
-* `${LOG_FILE}`: Whether `logging.file` was set in Boot's external configuration.
-* `${LOG_PATH}`: Whether `logging.path` (representing a directory for
+* `${LOG_FILE}`: Whether `logging.file.name` was set in Boot's external configuration.
+* `${LOG_PATH}`: Whether `logging.file.path` (representing a directory for
    log files to live in) was set in Boot's external configuration.
 * `${LOG_EXCEPTION_CONVERSION_WORD}`: Whether `logging.exception-conversion-word` was set
    in Boot's external configuration.
@@ -1582,12 +1582,12 @@ shown in the following example:
 	</configuration>
 ----
 
-You also need to add `logging.file` to your `application.properties`, as shown in the
+You also need to add `logging.file.name` to your `application.properties`, as shown in the
 following example:
 
 [source,properties,indent=0,subs="verbatim,quotes,attributes"]
 ----
-	logging.file=myapplication.log
+	logging.file.name=myapplication.log
 ----
 
 

spring-boot-project/spring-boot-docs/src/main/asciidoc/production-ready-features.adoc

@@ -164,9 +164,9 @@ use the following additional endpoints:
 |Yes
 
 |`logfile`
-|Returns the contents of the logfile (if `logging.file` or `logging.path` properties have
-been set). Supports the use of the HTTP `Range` header to retrieve part of the log file's
-content.
+|Returns the contents of the logfile (if `logging.file.name` or `logging.file.path`
+properties have been set). Supports the use of the HTTP `Range` header to retrieve part of
+the log file's content.
 |Yes
 
 |`prometheus`

spring-boot-project/spring-boot-docs/src/main/asciidoc/spring-boot-features.adoc

@@ -1686,7 +1686,7 @@ The following colors and styles are supported:
 === File Output
 By default, Spring Boot logs only to the console and does not write log files. If you
 want to write log files in addition to the console output, you need to set a
-`logging.file` or `logging.path` property (for example, in your
+`logging.file.name` or `logging.file.path` property (for example, in your
 `application.properties`).
 
 The following table shows how the `logging.*` properties can be used together:
@@ -1694,7 +1694,7 @@ The following table shows how the `logging.*` properties can be used together:
 .Logging properties
 [cols="1,1,1,4"]
 |===
-|`logging.file` |`logging.path` |Example |Description
+|`logging.file.name` |`logging.file.path` |Example |Description
 
 |_(none)_
 |_(none)_
@@ -1835,7 +1835,7 @@ To help with the customization, some other properties are transferred from the S
 |`LOG_EXCEPTION_CONVERSION_WORD`
 |The conversion word used when logging exceptions.
 
-|`logging.file`
+|`logging.file.name`
 |`LOG_FILE`
 |If defined, it is used in the default log configuration.
 
@@ -1849,7 +1849,7 @@ setup.)
 |Maximum number of archive log files to keep (if LOG_FILE enabled). (Only supported with
 the default Logback setup.)
 
-|`logging.path`
+|`logging.file.path`
 |`LOG_PATH`
 |If defined, it is used in the default log configuration.
 

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/context/logging/LoggingApplicationListener.java

@@ -68,8 +68,8 @@ import org.springframework.util.StringUtils;
  * {@literal java -jar myapp.jar [--debug | --trace]}). If you prefer to ignore these
  * properties you can set {@link #setParseArgs(boolean) parseArgs} to {@code false}.
  * <p>
- * By default, log output is only written to the console. If a log file is required the
- * {@code logging.path} and {@code logging.file} properties can be used.
+ * By default, log output is only written to the console. If a log file is required, the
+ * {@code logging.file.path} and {@code logging.file.name} properties can be used.
  * <p>
  * Some system properties may be set as side effects, and these can be useful if the
  * logging configuration supports placeholders (i.e. log4j or logback):

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/logging/LogFile.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2017 the original author or authors.
+ * Copyright 2012-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -25,11 +25,12 @@ import org.springframework.util.StringUtils;
 
 /**
  * A reference to a log output file. Log output files are specified using
- * {@code logging.file} or {@code logging.path} {@link Environment} properties. If the
- * {@code logging.file} property is not specified {@code "spring.log"} will be written in
- * the {@code logging.path} directory.
+ * {@code logging.file.name} or {@code logging.file.path} {@link Environment} properties.
+ * If the {@code logging.file.name} property is not specified {@code "spring.log"} will be
+ * written in the {@code logging.file.path} directory.
  *
  * @author Phillip Webb
+ * @author Christian Carriere-Tisseur
  * @since 1.2.1
  * @see #get(PropertyResolver)
  */
@@ -38,15 +39,33 @@ public class LogFile {
 	/**
 	 * The name of the Spring property that contains the name of the log file. Names can
 	 * be an exact location or relative to the current directory.
+	 * @deprecated since 2.2.0 in favor of {@link #FILE_NAME_PROPERTY}
 	 */
+	@Deprecated
 	public static final String FILE_PROPERTY = "logging.file";
 
 	/**
 	 * The name of the Spring property that contains the directory where log files are
 	 * written.
+	 * @deprecated since 2.2.0 in favor of {@link #FILE_PATH_PROPERTY}
 	 */
+	@Deprecated
 	public static final String PATH_PROPERTY = "logging.path";
 
+	/**
+	 * The name of the Spring property that contains the name of the log file. Names can
+	 * be an exact location or relative to the current directory.
+	 * @since 2.2.0
+	 */
+	public static final String FILE_NAME_PROPERTY = "logging.file.name";
+
+	/**
+	 * The name of the Spring property that contains the directory where log files are
+	 * written.
+	 * @since 2.2.0
+	 */
+	public static final String FILE_PATH_PROPERTY = "logging.file.path";
+
 	private final String file;
 
 	private final String path;
@@ -112,13 +131,25 @@ public class LogFile {
 	 * @return a {@link LogFile} or {@code null} if the environment didn't contain any
 	 * suitable properties
 	 */
+	@SuppressWarnings("deprecation")
 	public static LogFile get(PropertyResolver propertyResolver) {
-		String file = propertyResolver.getProperty(FILE_PROPERTY);
-		String path = propertyResolver.getProperty(PATH_PROPERTY);
+		String file = getLogFileProperty(propertyResolver, FILE_NAME_PROPERTY,
+				FILE_PROPERTY);
+		String path = getLogFileProperty(propertyResolver, FILE_PATH_PROPERTY,
+				PATH_PROPERTY);
 		if (StringUtils.hasLength(file) || StringUtils.hasLength(path)) {
 			return new LogFile(file, path);
 		}
 		return null;
 	}
 
+	private static String getLogFileProperty(PropertyResolver propertyResolver,
+			String propertyName, String deprecatedPropertyName) {
+		String property = propertyResolver.getProperty(propertyName);
+		if (property != null) {
+			return property;
+		}
+		return propertyResolver.getProperty(deprecatedPropertyName);
+	}
+
 }

spring-boot-project/spring-boot/src/main/resources/META-INF/additional-spring-configuration-metadata.json

@@ -71,6 +71,21 @@
       "name": "logging.file",
       "type": "java.lang.String",
       "description": "Log file name (for instance, `myapp.log`). Names can be an exact location or relative to the current directory.",
+      "sourceType": "org.springframework.boot.context.logging.LoggingApplicationListener",
+      "deprecation": {
+        "replacement": "logging.file.name"
+      }
+    },
+    {
+      "name": "logging.file.name",
+      "type": "java.lang.String",
+      "description": "Log file name (for instance, `myapp.log`). Names can be an exact location or relative to the current directory.",
+      "sourceType": "org.springframework.boot.context.logging.LoggingApplicationListener"
+    },
+    {
+      "name": "logging.file.path",
+      "type": "java.lang.String",
+      "description": "Location of the log file. For instance, `/var/log`.",
       "sourceType": "org.springframework.boot.context.logging.LoggingApplicationListener"
     },
     {
@@ -103,7 +118,10 @@
       "name": "logging.path",
       "type": "java.lang.String",
       "description": "Location of the log file. For instance, `/var/log`.",
-      "sourceType": "org.springframework.boot.context.logging.LoggingApplicationListener"
+      "sourceType": "org.springframework.boot.context.logging.LoggingApplicationListener",
+      "deprecation": {
+        "replacement": "logging.file.path"
+      }
     },
     {
       "name": "logging.pattern.console",

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/builder/SpringApplicationBuilderTests.java

@@ -100,13 +100,13 @@ public class SpringApplicationBuilderTests {
 	public void propertiesWithRepeatSeparator() {
 		SpringApplicationBuilder application = new SpringApplicationBuilder()
 				.sources(ExampleConfig.class).contextClass(StaticApplicationContext.class)
-				.properties("one=c:\\logging.file", "two=a:b", "three:c:\\logging.file",
-						"four:a:b");
+				.properties("one=c:\\logging.file.name", "two=a:b",
+						"three:c:\\logging.file.name", "four:a:b");
 		this.context = application.run();
 		ConfigurableEnvironment environment = this.context.getEnvironment();
-		assertThat(environment.getProperty("one")).isEqualTo("c:\\logging.file");
+		assertThat(environment.getProperty("one")).isEqualTo("c:\\logging.file.name");
 		assertThat(environment.getProperty("two")).isEqualTo("a:b");
-		assertThat(environment.getProperty("three")).isEqualTo("c:\\logging.file");
+		assertThat(environment.getProperty("three")).isEqualTo("c:\\logging.file.name");
 		assertThat(environment.getProperty("four")).isEqualTo("a:b");
 	}
 

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/context/logging/LoggingApplicationListenerTests.java

@@ -211,6 +211,22 @@ public class LoggingApplicationListenerTests {
 
 	@Test
 	public void addLogFileProperty() {
+		TestPropertySourceUtils.addInlinedPropertiesToEnvironment(this.context,
+				"logging.config=classpath:logback-nondefault.xml",
+				"logging.file.name=target/foo.log");
+		this.initializer.initialize(this.context.getEnvironment(),
+				this.context.getClassLoader());
+		Log logger = LogFactory.getLog(LoggingApplicationListenerTests.class);
+		String existingOutput = this.outputCapture.toString();
+		logger.info("Hello world");
+		String output = this.outputCapture.toString().substring(existingOutput.length())
+				.trim();
+		assertThat(output).startsWith("target/foo.log");
+	}
+
+	@Test
+	@Deprecated
+	public void addLogFilePropertyWithDeprecatedProperty() {
 		TestPropertySourceUtils.addInlinedPropertiesToEnvironment(this.context,
 				"logging.config=classpath:logback-nondefault.xml",
 				"logging.file=target/foo.log");
@@ -226,6 +242,19 @@ public class LoggingApplicationListenerTests {
 
 	@Test
 	public void addLogFilePropertyWithDefault() {
+		assertThat(new File("target/foo.log").exists()).isFalse();
+		TestPropertySourceUtils.addInlinedPropertiesToEnvironment(this.context,
+				"logging.file.name=target/foo.log");
+		this.initializer.initialize(this.context.getEnvironment(),
+				this.context.getClassLoader());
+		Log logger = LogFactory.getLog(LoggingApplicationListenerTests.class);
+		logger.info("Hello world");
+		assertThat(new File("target/foo.log").exists()).isTrue();
+	}
+
+	@Test
+	@Deprecated
+	public void addLogFilePropertyWithDefaultAndDeprecatedProperty() {
 		assertThat(new File("target/foo.log").exists()).isFalse();
 		TestPropertySourceUtils.addInlinedPropertiesToEnvironment(this.context,
 				"logging.file=target/foo.log");
@@ -238,6 +267,21 @@ public class LoggingApplicationListenerTests {
 
 	@Test
 	public void addLogPathProperty() {
+		TestPropertySourceUtils.addInlinedPropertiesToEnvironment(this.context,
+				"logging.config=classpath:logback-nondefault.xml",
+				"logging.file.path=target/foo/");
+		this.initializer.initialize(this.context.getEnvironment(),
+				this.context.getClassLoader());
+		Log logger = LogFactory.getLog(LoggingApplicationListenerTests.class);
+		String existingOutput = this.outputCapture.toString();
+		logger.info("Hello world");
+		String output = this.outputCapture.toString().substring(existingOutput.length())
+				.trim();
+		assertThat(output).startsWith("target/foo/spring.log");
+	}
+
+	@Test
+	public void addLogPathPropertyWithDeprecatedProperty() {
 		TestPropertySourceUtils.addInlinedPropertiesToEnvironment(this.context,
 				"logging.config=classpath:logback-nondefault.xml",
 				"logging.path=target/foo/");
@@ -491,9 +535,10 @@ public class LoggingApplicationListenerTests {
 	@Test
 	public void systemPropertiesAreSetForLoggingConfiguration() {
 		TestPropertySourceUtils.addInlinedPropertiesToEnvironment(this.context,
-				"logging.exception-conversion-word=conversion", "logging.file=target/log",
-				"logging.path=path", "logging.pattern.console=console",
-				"logging.pattern.file=file", "logging.pattern.level=level");
+				"logging.exception-conversion-word=conversion",
+				"logging.file.name=target/log", "logging.file.path=path",
+				"logging.pattern.console=console", "logging.pattern.file=file",
+				"logging.pattern.level=level");
 		this.initializer.initialize(this.context.getEnvironment(),
 				this.context.getClassLoader());
 		assertThat(System.getProperty(LoggingSystemProperties.CONSOLE_LOG_PATTERN))
@@ -511,6 +556,19 @@ public class LoggingApplicationListenerTests {
 		assertThat(System.getProperty(LoggingSystemProperties.PID_KEY)).isNotNull();
 	}
 
+	@Test
+	@Deprecated
+	public void systemPropertiesAreSetForLoggingConfigurationWithDeprecatedProperties() {
+		TestPropertySourceUtils.addInlinedPropertiesToEnvironment(this.context,
+				"logging.file=target/log", "logging.path=path");
+		this.initializer.initialize(this.context.getEnvironment(),
+				this.context.getClassLoader());
+		assertThat(System.getProperty(LoggingSystemProperties.LOG_FILE))
+				.isEqualTo("target/log");
+		assertThat(System.getProperty(LoggingSystemProperties.LOG_PATH))
+				.isEqualTo("path");
+	}
+
 	@Test
 	public void environmentPropertiesIgnoreUnresolvablePlaceholders() {
 		// gh-7719
@@ -536,7 +594,7 @@ public class LoggingApplicationListenerTests {
 	@Test
 	public void logFilePropertiesCanReferenceSystemProperties() {
 		TestPropertySourceUtils.addInlinedPropertiesToEnvironment(this.context,
-				"logging.file=target/${PID}.log");
+				"logging.file.name=target/${PID}.log");
 		this.initializer.initialize(this.context.getEnvironment(),
 				this.context.getClassLoader());
 		assertThat(System.getProperty(LoggingSystemProperties.LOG_FILE))

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/logging/LogFileTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2017 the original author or authors.
+ * Copyright 2012-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,6 +16,7 @@
 
 package org.springframework.boot.logging;
 
+import java.util.Collections;
 import java.util.LinkedHashMap;
 import java.util.Map;
 import java.util.Properties;
@@ -39,14 +40,27 @@ public class LogFileTests {
 
 	@Test
 	public void noProperties() {
-		PropertyResolver resolver = getPropertyResolver(null, null);
+		PropertyResolver resolver = getPropertyResolver(Collections.emptyMap());
 		LogFile logFile = LogFile.get(resolver);
 		assertThat(logFile).isNull();
 	}
 
 	@Test
 	public void loggingFile() {
-		PropertyResolver resolver = getPropertyResolver("log.file", null);
+		PropertyResolver resolver = getPropertyResolver(
+				Collections.singletonMap("logging.file.name", "log.file"));
+		testLoggingFile(resolver);
+	}
+
+	@Test
+	@Deprecated
+	public void loggingFileWithDeprecatedProperties() {
+		PropertyResolver resolver = getPropertyResolver(
+				Collections.singletonMap("logging.file", "log.file"));
+		testLoggingFile(resolver);
+	}
+
+	private void testLoggingFile(PropertyResolver resolver) {
 		LogFile logFile = LogFile.get(resolver);
 		Properties properties = new Properties();
 		logFile.applyTo(properties);
@@ -58,7 +72,20 @@ public class LogFileTests {
 
 	@Test
 	public void loggingPath() {
-		PropertyResolver resolver = getPropertyResolver(null, "logpath");
+		PropertyResolver resolver = getPropertyResolver(
+				Collections.singletonMap("logging.file.path", "logpath"));
+		testLoggingPath(resolver);
+	}
+
+	@Test
+	@Deprecated
+	public void loggingPathWithDeprecatedProperties() {
+		PropertyResolver resolver = getPropertyResolver(
+				Collections.singletonMap("logging.path", "logpath"));
+		testLoggingPath(resolver);
+	}
+
+	private void testLoggingPath(PropertyResolver resolver) {
 		LogFile logFile = LogFile.get(resolver);
 		Properties properties = new Properties();
 		logFile.applyTo(properties);
@@ -71,7 +98,24 @@ public class LogFileTests {
 
 	@Test
 	public void loggingFileAndPath() {
-		PropertyResolver resolver = getPropertyResolver("log.file", "logpath");
+		Map<String, Object> properties = new LinkedHashMap<>();
+		properties.put("logging.file.name", "log.file");
+		properties.put("logging.file.path", "logpath");
+		PropertyResolver resolver = getPropertyResolver(properties);
+		testLoggingFileAndPath(resolver);
+	}
+
+	@Test
+	@Deprecated
+	public void loggingFileAndPathWithDeprecatedProperties() {
+		Map<String, Object> properties = new LinkedHashMap<>();
+		properties.put("logging.file", "log.file");
+		properties.put("logging.path", "logpath");
+		PropertyResolver resolver = getPropertyResolver(properties);
+		testLoggingFileAndPath(resolver);
+	}
+
+	private void testLoggingFileAndPath(PropertyResolver resolver) {
 		LogFile logFile = LogFile.get(resolver);
 		Properties properties = new Properties();
 		logFile.applyTo(properties);
@@ -82,10 +126,7 @@ public class LogFileTests {
 				.isEqualTo("logpath");
 	}
 
-	private PropertyResolver getPropertyResolver(String file, String path) {
-		Map<String, Object> properties = new LinkedHashMap<>();
-		properties.put("logging.file", file);
-		properties.put("logging.path", path);
+	private PropertyResolver getPropertyResolver(Map<String, Object> properties) {
 		PropertySource<?> propertySource = new MapPropertySource("properties",
 				properties);
 		MutablePropertySources propertySources = new MutablePropertySources();

spring-boot-samples/spring-boot-sample-actuator/src/main/resources/application.properties

@@ -3,7 +3,7 @@ service.name=Phil
 spring.security.user.name=user
 spring.security.user.password=password
 
-# logging.file=/tmp/logs/app.log
+# logging.file.name=/tmp/logs/app.log
 # logging.level.org.springframework.security=DEBUG
 management.server.address=127.0.0.1